Mark some classes and methods obsolete for version 1.1.0 (#335)

* Obsolete

* StandAloneApp - obsolete

* obs

* make Interface obsolete

src/WireMock.Net/Server/FluentMockServer.cs

@@ -25,6 +25,7 @@ namespace WireMock.Server
     /// <summary>
     /// The fluent mock server.
     /// </summary>
+    [Obsolete("Will be replaced by WireMockServer in version 1.1.0")]
     public partial class FluentMockServer : IDisposable
     {
         private const int ServerStartDelayInMs = 100;